package com.zjitc.util;

import java.util.Date;
import java.util.Properties;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
 * Create by IntelliJ IDEA
 *
 * @author: jsonor
 * @date-Time: 2018/5/14 13:48
 * @description:
 */
public class MailUtils {
  //发件人地址
  public static String senderAddress = "lzhnaya@163.com";
  //收件人地址
  public static String recipientAddress = "690301218@qq.com";
  //发件人账户名
  public static String senderAccount = "lzhnaya@163.com";
  //发件人账户密码
  public static String senderPassword = "vcc520";

  public static void main(String mailMsg,String recipient) throws Exception {
    //1、连接邮件服务器的参数配置
    Properties props = new Properties();
    //设置用户的认证方式
    recipientAddress = recipient;

    props.setProperty("mail.smtp.auth", "true");
    //设置传输协议
    props.setProperty("mail.transport.protocol", "smtp");
    //设置发件人的SMTP服务器地址
    props.setProperty("mail.smtp.host", "smtp.163.com");
    //2、创建定义整个应用程序所需的环境信息的 Session 对象
    Session session = Session.getInstance(props);
    //设置调试信息在控制台打印出来
    session.setDebug(true);
    //3、创建邮件的实例对象
    MimeMessage msg = getMimeMessage(session,mailMsg);
    //4、根据session对象获取邮件传输对象Transport
    Transport transport = session.getTransport();
    //设置发件人的账户名和密码
    transport.connect(senderAccount, senderPassword);
    //发送邮件，并发送到所有收件人地址，message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人, 抄送人, 密送人
    transport.sendMessage(msg,msg.getAllRecipients());

    //如果只想发送给指定的人，可以如下写法
    //transport.sendMessage(msg, new Address[]{new InternetAddress("xxx@qq.com")});

    //5、关闭邮件连接
    transport.close();
  }

  /**
   * 获得创建一封邮件的实例对象
   * @param session
   * @return
   * @throws MessagingException
   * @throws AddressException
   */
  public static MimeMessage getMimeMessage(Session session,String Mailmsg) throws Exception {
    //创建一封邮件的实例对象
    MimeMessage msg = new MimeMessage(session);
    //设置发件人地址
    msg.setFrom(new InternetAddress(senderAddress));
    /**
     * 设置收件人地址（可以增加多个收件人、抄送、密送），即下面这一行代码书写多行
     * MimeMessage.RecipientType.TO:发送
     * MimeMessage.RecipientType.CC：抄送
     * MimeMessage.RecipientType.BCC：密送
     */
    msg.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(recipientAddress));
    //设置邮件主题
    msg.setSubject("邮件主题", "UTF-8");
    //设置邮件正文
    msg.setContent(Mailmsg, "text/html;charset=UTF-8");
    //设置邮件的发送时间,默认立即发送
    msg.setSentDate(new Date());

    return msg;
  }
}
